ECC85 DATASHEET PDF

Many of these types had gold-plated base pins and special heater configurations inside the nickel cathode tube designed to reduce hum pickup from the A. For transmitting tubes in this system, the second element starts with a hyphen, a sequentially assigned number, then a optional letter specifying cooling method. A few special-quality tubes did not have a standard equivalent, e. Collection of Christian Schaufelberger CH. Vacuum tubes which had special qualities French: Media related to Tungsram vacuum tubes at Wikimedia Commons. In some valve part number series, the voltage class of the heater is given in the part number, and a similar valve might be available with several different heater voltage ratings.

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Many of these types had gold-plated base pins and special heater configurations inside the nickel cathode tube designed to reduce hum pickup from the A. For transmitting tubes in this system, the second element starts with a hyphen, a sequentially assigned number, then a optional letter specifying cooling method.

A few special-quality tubes did not have a standard equivalent, e. Collection of Christian Schaufelberger CH. Vacuum tubes which had special qualities French: Media related to Tungsram vacuum tubes at Wikimedia Commons. In some valve part number series, the voltage class of the heater is given in the part number, and a similar valve might be available with several different heater voltage ratings.

Fortschritte der Funktechnik in German. United States Naval Research Laboratory. Collection of Oskar Elm D. Retrieved 6 October If two devices share the same type designation other than the first letter e. Valvo deit was a major German electronic components manufacturer from to ; a Philips subsidiary since datasyeet, Valvo was one of the predecessors of NXP Semiconductors.

Some specify which end datasheeet the filament is to be powered by the positive side of the filament power supply usually a battery. The Bell system technical journal. Collection of Howard Craven GB. Before the advent of semiconductor devices, thousands of tube types were used in consumer electronics. By using this site, you agree to the Terms of Use and Privacy Policy. Collection of Reinhard Riek D. Collection of Ottmar Rollmann D.

British Thomson-Houston General Electric subsidiary:. My own collection Hannu Alho. Early types were shielded versions of tube types already in use. Many later tubes were designated one to three semi-intuitive letters, followed by a number containing the heater voltage. Collection of Hermann Fleischanderl A.

You will find thousands of tubes or valves with interesting links. Most Related.

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6AQ8 - ECC85 Tubes

Vukazahn Many later tubes were designated one to three semi-intuitive letters, followed by a number containing the heater voltage. Most of these are special quality versions of the equivalents given. Heater or filament rating [1]. Structure and usage [31]. Daatsheet of the following tubes are designed to operate with their heaters connected directly to the volt now volt electrical mains of North America. Vacuum tubes produced in the former Soviet Union and in present-day Russia are designated in Cyrillic. Federal communication laboratoriesInc.

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Often designations that differed only in their initial numerals would be identical except for heater characteristics. Telefunken Laborbuch in German. You reach this tube or valve page from a search after clicking the dataheet tab or by clicking a tube on a radio model page. This numbering scheme was intended to differentiate these tubes from the tubes with 2.

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Electro-Harmonix 6AQ8 / ECC85

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ECC85 Datasheet

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